628549376

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26981}}^1$

素因数の和:27017

約数の個数: 72

約数和(自身を含む): 1544233824

約数和(自身を除く): 915684448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 26981, 53962, 107924, 188867, 215848, 350753, 377734, 431696, 701506, 755468, 863392, 1403012, 1510936, 1726784, 2455271, 2806024, 3021872, 3453568, 4910542, 5612048, 6043744, 6907136, 9821084, 11224096, 12087488, 19642168, 22448192, 24174976, 39284336, 44896384, 48349952, 78568672, 89792768, 157137344, 314274688, 628549376]

約数ペア:

[(1, 628549376), (2, 314274688), (4, 157137344), (7, 89792768), (8, 78568672), (13, 48349952), (14, 44896384), (16, 39284336), (26, 24174976), (28, 22448192), (32, 19642168), (52, 12087488), (56, 11224096), (64, 9821084), (91, 6907136), (104, 6043744), (112, 5612048), (128, 4910542), (182, 3453568), (208, 3021872), (224, 2806024), (256, 2455271), (364, 1726784), (416, 1510936), (448, 1403012), (728, 863392), (832, 755468), (896, 701506), (1456, 431696), (1664, 377734), (1792, 350753), (2912, 215848), (3328, 188867), (5824, 107924), (11648, 53962), (23296, 26981)]